@article{00436732,
title = {Completeness of the set of sub-},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {16},
year = {1993},
pages = {511-514},
doi = {10.1155/S0161171293000626},
zbl = {0782.28001},
language = {en},
url = {http://dml.mathdoc.fr/item/00436732}
}
Wang, Xikui. Completeness of the set of sub-. International Journal of Mathematics and Mathematical Sciences, Tome 16 (1993) pp. 511-514. doi : 10.1155/S0161171293000626. http://gdmltest.u-ga.fr/item/00436732/